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sdrangel/plugins/feature/skymap/wtml.cpp

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///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2024 Jon Beniston, M7RCE <jon@beniston.com> //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation as version 3 of the License, or //
// (at your option) any later version. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#include "wtml.h"
#include <QUrl>
#include <QNetworkReply>
#include <QXmlStreamReader>
#include <QDebug>
WTML::WTML()
{
m_networkManager = new QNetworkAccessManager();
QObject::connect(m_networkManager, &QNetworkAccessManager::finished, this, &WTML::handleReply);
}
WTML::~WTML()
{
QObject::disconnect(m_networkManager, &QNetworkAccessManager::finished, this, &WTML::handleReply);
delete m_networkManager;
}
void WTML::getData()
{
// https://worldwidetelescope.org/wwtweb/catalog.aspx?X=ImageSets6
// https://worldwidetelescope.org/wwtweb/catalog.aspx?W=exploreroot6
QUrl url(QString("https://worldwidetelescope.org/wwtweb/catalog.aspx?X=ImageSets6"));
m_networkManager->get(QNetworkRequest(url));
}
void WTML::handleReply(QNetworkReply* reply)
{
if (!reply->error())
{
QXmlStreamReader xmlReader(reply->readAll());
QList<ImageSet> dataSets;
while (!xmlReader.atEnd() && !xmlReader.hasError())
{
while (xmlReader.readNextStartElement())
{
if (xmlReader.name() == QLatin1String("Folder"))
{
while(xmlReader.readNextStartElement())
{
if (xmlReader.name() == QLatin1String("ImageSet"))
{
QString name = xmlReader.attributes().value("Name").toString();
QString dataSetType = xmlReader.attributes().value("DataSetType").toString();
if (!name.isEmpty() && !dataSetType.isEmpty())
{
ImageSet imageSet;
imageSet.m_name = name;
imageSet.m_dataSetType = dataSetType;
dataSets.append(imageSet);
//qDebug() << "Adding ImageSet " << name << dataSetType;
}
// Credits, Thumbnail etc
while(xmlReader.readNextStartElement())
{
xmlReader.skipCurrentElement();
}
}
else
{
xmlReader.skipCurrentElement();
}
}
}
else
{
xmlReader.skipCurrentElement();
}
}
}
// Ignore "Premature end of document." here even if ok
if (!xmlReader.atEnd() && xmlReader.hasError()) {
qDebug() << "WTML::handleReply: Error parsing XML: " << xmlReader.errorString();
}
emit dataUpdated(dataSets);
}
else
{
qDebug() << "WTML::handleReply: error: " << reply->error();
}
reply->deleteLater();
}